Digitally controlled microphone with audio compressor
US11720316B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 4, 2020 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Oct 4, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digitally controlled microphone with audio compressor includes a capsule; a compressor circuitry having a compressor engine, a digitally controlled root mean square (RMS) detector and a digitally controlled analog processor; a bypass switch to the compressor circuitry; an analog to digital converter (ADC); a digital processor that sends digital audio to a host and receives a second digital audio signal; a digital to analog converter (DAC) and a summing circuit that combine the audio with the audio from the host and send it to a digitally-controlled headphone amplifier and a headphone jack; a microphone body; a serial host interface connector; and hardware controls on the microphone body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.